Home / 124,837.60-187,234.80-45,911.20

Finding the Fourth Proportional to 124,837.60, 187,234.80 and 45,911.20

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Solution

The fourth proportional to 124,837.60, 187,234.80 and 45,911.20 is: 68,858.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,837.60 : 187,234.80 = 45,911.20 : x
  2. Step 2: Convert to fraction form
    124,837.60/187,234.80 = 45,911.20/x
  3. Step 3: Cross multiply
    124,837.60x = 187,234.80 × 45,911.20
  4. Step 4: Simplify right side
    124,837.60x = 8,596,174,349.76
  5. Step 5: Solve for x
    x = 8,596,174,349.76/124,837.60
  6. Step 6: Final answer
    x = 68,858.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.